[BUG] Windows 11 high contrast

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

<img width="1889" height="1171" alt="Image" src="https://github.com/user-attachments/assets/d62abaca-06fc-4e02-b2aa-eb792e3b685f" />

Windows 11, high contrast mode:
please fix the design + the icon on the taskbar

What Should Happen?

please fix the design + the icon on the taskbar

Steps to Reproduce

Windows 11, high contrast mode

Claude Code Version

1.5354.0 (9a9e3d)